This picture taken on December 10, 2010 shows the front of the Nobel medal awarded to the Nobel Peace Prize laureate for 2010, jailed Chinese dissident Liu Xiabo. The Nobel Peace Prize ceremony began in Oslo Friday without guest of honour Liu Xiaobo, a jailed Chinese dissident who was represented by an empty chair at the event. Other Chinese dissidents, ambassadors from a number of countries, Norway's king and queen and other dignitaries were present as the ceremony opened in a flower-decked Oslo city hall. AFP PHOTO / SCANPIX - Berit Roald (Photo credit should read BERIT ROALD/AFP/Getty Images)
AFP via Getty Images
The Tunisian National Dialogue Quartet won the 2015 Nobel Peace Prize on Friday for the building of a pluralistic democracy in Tunisia.